Merge branch 'v3' into v3-t29

# Conflicts:
#	host/Cargo.toml
#	host/src/harness/mod.rs

Cargo.lock

@@ -885,6 +885,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "chunked_transfer"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e4de3bc4ea267985becf712dc6d9eed8b04c953b3fcfb339ebc87acd9804901"
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -5043,6 +5049,7 @@ dependencies = [
  "sys_traits",
  "tempfile",
  "thiserror 2.0.21",
+ "tiny_http",
  "tokio",
  "tokio-rustls",
  "toml",
@@ -6303,6 +6310,18 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "tiny_http"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "389915df6413a2e74fb181895f933386023c71110878cd0825588928e64cdc82"
+dependencies = [
+ "ascii",
+ "chunked_transfer",
+ "httpdate",
+ "log",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.5"